5/16"-18 x 1 1/2" Trilobe Thread Forming Screws for Metal / 6-Lobe / Flat Head / Low Carbon Steel / Black Oxide / Made in USA
- Steel
- Black Oxide
- 18 TPI · Coarse
- ASME B18.6.3
$139.46
$1.99 / pc
Package of 70
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Product Description
5/16"-18 x 1 1/2" Trilobe Thread Forming Screws for Metal / 6-Lobe / Flat Head / Low Carbon Steel / Black Oxide / Made in USA
🇺🇸 Made in USA
Frequently Asked Questions
Does Black Oxide finish provide corrosion protection?
Black Oxide provides mild corrosion resistance through a controlled oxidation process. It is dimensionally stable (no plating buildup), will not chip or flake, and is suitable for indoor use. For outdoor or wet environments, additional oil coating or a different finish (zinc, stainless) is recommended.
$139.46
$1.99/pc
Trilobe Thread Forming Screws for Metal / Six-Lobe (Torx®) / Flat Head
Family: RTFB
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5/16"-18 x 1 1/2" Trilobe Thread Forming Screws for Metal / 6-Lobe / Flat Head / Low Carbon Steel / Black Oxide / Made in USA
SKU: 3124RTFB-70
Technical Specifications
Thread Size
5/16"-18
Thread Series
UNC
Thread Pitch
18 TPI
Thread Coverage
Full Thread
Thread Action
Thread Forming
Tapping Type
Trilobular
Length
1 1/2"
Material
Steel
Finish
Black Oxide
Drive
6-Lobe
Head Style
Flat Head
Standard
ASME B18.6.3
Country of Origin
USA
Measurement System
Inch
SKU
3124RTFB-70
https://www.ecomfasteners.com/products/5-16-18-x-1-1-2-trilobe-thread-forming-screws-for-metal-six-lobe-torx-flat-head-steel-black-oxide · Printed